fs: Move conditional compilation to Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/fs/jffs2/Makefile b/fs/jffs2/Makefile
index a071af1..fd6a105 100644
--- a/fs/jffs2/Makefile
+++ b/fs/jffs2/Makefile
@@ -26,13 +26,15 @@
 LIB	= $(obj)libjffs2.a
 
 AOBJS	=
-COBJS-y += jffs2_1pass.o
+ifdef CONFIG_CMD_JFFS2
+COBJS-$(CONFIG_JFFS2_LZO_LZARI) += compr_lzari.o
+COBJS-$(CONFIG_JFFS2_LZO_LZARI) += compr_lzo.o
 COBJS-y += compr_rtime.o
 COBJS-y += compr_rubin.o
 COBJS-y += compr_zlib.o
+COBJS-y += jffs2_1pass.o
 COBJS-y += mini_inflate.o
-COBJS-y += compr_lzo.o
-COBJS-y += compr_lzari.o
+endif
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(AOBJS:.o=.S) $(COBJS:.o=.c)